package com.gxuwz.stats.controller.user;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.gxuwz.stats.entity.DecisionConsulting;
import com.gxuwz.stats.entity.NetworkCulture;
import com.gxuwz.stats.entity.User;
import com.gxuwz.stats.security.jwt.JwtTokenUtil;
import com.gxuwz.stats.service.NetworkCultureService;
import com.gxuwz.stats.service.UserService;
import com.gxuwz.stats.utils.ExcelExportUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletResponse;
import java.text.SimpleDateFormat;
import java.time.LocalDateTime;
import java.util.*;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/userNetworkCulture")
public class NetworkCultureUserController {

    @Autowired
    private NetworkCultureService networkCultureService;
    @Autowired
    private UserService userService;

    /**
     * 分页查询
     * @param params
     * @param currentPage
     * @param pageSize
     * @return
     */
    @GetMapping("/getUserNetworkCulList")
    public ResponseEntity<Map<String, Object>> getUserNetworkCulList(
            @RequestParam Map<String, String> params,
            @RequestParam(defaultValue = "1") int currentPage,
            @RequestParam(defaultValue = "10") int pageSize,
            @RequestHeader("Authorization") String authorization) {
        try {
            // 提取 Token
            String token = authorization.replace("Bearer ", "");

// 解析 Token 获取当前用户ID（假设使用 JWT）
            JwtTokenUtil jwtTokenUtil = new JwtTokenUtil();
            String userId = jwtTokenUtil.getUserIdFromToken(token); // 自定义工具类解析Token

            // 创建 MyBatis Plus 的 Page 对象进行分页查询
            IPage<NetworkCulture> page = new Page<>(currentPage, pageSize);
            QueryWrapper<NetworkCulture> queryWrapper = new QueryWrapper<>();


// 强制添加当前用户ID条件
            queryWrapper.eq("user_id", userId);

            // 模糊查询条件 - 成果名称
            if (params.containsKey("networkAchievementName") && params.get("networkAchievementName") != null && !params.get("networkAchievementName").isEmpty()) {
                queryWrapper.like("network_achievement_name", params.get("networkAchievementName"));
            }

            // 模糊查询条件 - 成果类别
            if (params.containsKey("networkType") && params.get("networkType") != null && !params.get("networkType").isEmpty()) {
                queryWrapper.like("network_type", params.get("networkType"));
            }

            // 模糊查询条件 - 获得时间
            if (params.containsKey("networkYear") && params.get("networkYear") != null && !params.get("networkYear").isEmpty()) {
                queryWrapper.apply("YEAR(network_year) = {0}", params.get("networkYear"));
            }

            // 精确查询条件 - 项目提交状态
            if (params.containsKey("networkStatus") && params.get("networkStatus") != null && !params.get("networkStatus").isEmpty()) {
                queryWrapper.eq("network_status", params.get("networkStatus"));
            }

            // 精确查询条件 - 项目审核状态
            if (params.containsKey("networkReviewStatus") && params.get("networkReviewStatus") != null && !params.get("networkReviewStatus").isEmpty()) {
                queryWrapper.eq("network_review_status", params.get("networkReviewStatus"));
            }

            // 调用 service 层的分页查询方法
            IPage<NetworkCulture> resultPage = networkCultureService.getNetworkCultureList(page, queryWrapper);

            // 构造返回结果
            Map<String, Object> response = new HashMap<>();
            response.put("code", 200);
            response.put("message", "查询成功");
            response.put("data", resultPage.getRecords());
            response.put("total", resultPage.getTotal());
            response.put("currentPage", resultPage.getCurrent());
            response.put("pageSize", resultPage.getSize());
            response.put("totalPages", resultPage.getPages());

            return ResponseEntity.ok(response);
        } catch (Exception e) {
            e.printStackTrace();
            Map<String, Object> errorResponse = new HashMap<>();
            errorResponse.put("code", 500);
            errorResponse.put("message", "查询失败: " + e.getMessage());
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorResponse);
        }
    }

    /**
     * 新增决策咨询数据
     */
    @PostMapping("/addNetworkCul")
    public ResponseEntity<Map<String, Object>> saveNetworkCul(@RequestBody NetworkCulture networkCulture) {
        System.out.println("前端数据：" + networkCulture);

        // 创建响应 Map
        Map<String, Object> response = new HashMap<>();

        // 1. 验证 username 是否存在
        String username = networkCulture.getUsername();
        if (username == null || username.isEmpty()) {
            response.put("code", 400);
            response.put("msg", "用户名不能为空");
            return ResponseEntity.badRequest().body(response);
        }

        // 2. 根据 username 查询 user_id
        String userId = userService.getUserIdByUsername(username);
        if (userId == null) {
            response.put("code", 400);
            response.put("msg", "用户不存在");
            return ResponseEntity.badRequest().body(response);
        }
//        System.out.println("获取到的 user_id：" + userId);

        // 3. 设置 user_id 并保存
        networkCulture.setUserId(userId);

        // 1. 自动计算分值
        int baseScore = networkCultureService.getScoreByType(networkCulture.getNetworkType());
        networkCulture.setNetworkScore(baseScore);
        // 2. 计算总分值
//        networkCultureService.calculateTotalScore(networkCulture);

        networkCulture.setNetworkStatus("未提交");
        networkCulture.setNetworkReviewStatus("未审核");

        try {
            // 保存到数据库
            networkCultureService.save(networkCulture);
            String year = null;
            if (networkCulture.getNetworkYear() != null) {
                if (networkCulture.getNetworkYear() != null) {

                    try {
                        // 支持 "yyyy-MM" 或 "yyyy/MM" 或 "yyyy" 格式
                        SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
                        year = sdf.format(networkCulture.getNetworkYear());
                    } catch (Exception e) {
                        // 如果格式不对，兜底取前4位
                        year = networkCulture.getNetworkYear().substring(0, 4);
                    }
                }
            }
            if (year != null) {
                networkCultureService.updateTotalWorkNetworkCultureScore(userId, year);
            }

            // 返回成功响应
            response.put("code", 200);
            response.put("msg", "新增成功");
            return ResponseEntity.status(HttpStatus.CREATED).body(response);
        } catch (Exception e) {
            response.put("code", 500);
            response.put("msg", "服务器内部错误");
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(response);
        }
    }

    /**
     * 修改决策咨询数据
     */
    @PutMapping("/updateNetworkCul")
    public ResponseEntity<Map<String, Object>> updateNetworkCulture(
            @RequestBody NetworkCulture networkCulture
    ) {
        // 1. 自动计算分值
        int baseScore = networkCultureService.getScoreByType(networkCulture.getNetworkType());
        networkCulture.setNetworkScore(baseScore);

// 2. 计算总分值
//        networkCultureService.calculateTotalScore(networkCulture);



        networkCultureService.updateById(networkCulture);
        String year = null;
        if (networkCulture.getNetworkYear() != null) {

            if (networkCulture.getNetworkYear() != null) {

                try {
                    // 支持 "yyyy-MM" 或 "yyyy/MM" 或 "yyyy" 格式
                    SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
                    year = sdf.format(networkCulture.getNetworkYear());
                } catch (Exception e) {
                    // 如果格式不对，兜底取前4位
                    year = networkCulture.getNetworkYear().substring(0, 4);
                }
            }
        }
        if (year != null) {
            networkCultureService.updateTotalWorkNetworkCultureScore(networkCulture.getUserId(), year);
        }

        Map<String, Object> response = new HashMap<>();
        response.put("code", 200);
        response.put("msg", "修改成功");
        return ResponseEntity.ok(response);
    }

    /**
     * 删除
     */
    @DeleteMapping("/delUserNetworkCul")
    public ResponseEntity<Map<String, Object>> deleteUserHumanReAward(@RequestBody List<Long> networkCultureIds) {
        // 1. 查出所有要删的数据
        List<NetworkCulture> toDelete = networkCultureService.listByIds(networkCultureIds);

// 2. 记录所有受影响的 userId+year 组合
        Set<String> userYearSet = new HashSet<>();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
        for (NetworkCulture nc : toDelete) {
            if (nc.getUserId() != null && nc.getNetworkYear() != null) {
                String year = null;

                    try {
                        // 支持 "yyyy-MM" 或 "yyyy/MM" 或 "yyyy" 格式
                        year = sdf.format(nc.getNetworkYear());
                    } catch (Exception e) {
                        // 如果格式不对，兜底取前4位
                        year = nc.getNetworkYear().substring(0, 4);
                    }

                userYearSet.add(nc.getUserId() + "#" + year);
            }
        }

// 3. 删除
        networkCultureService.removeByIds(networkCultureIds);

// 4. 删除后，逐个更新 TotalWork
        for (String userYear : userYearSet) {
            String[] arr = userYear.split("#");
            String userId = arr[0];
            String year = arr[1];
            networkCultureService.updateTotalWorkNetworkCultureScore(userId, year);
        }
        Map<String, Object> response = new HashMap<>();
        response.put("code", 200);
        response.put("msg", "删除成功");
        return ResponseEntity.ok(response);
    }

    /**
     * 用户提交网络文化成果
     */
    @PostMapping("/submitNetworkCul")
    public ResponseEntity<Map<String, Object>> submitNetworkCul(@RequestBody Map<String, Object> params) {
        Map<String, Object> response = new HashMap<>();
        Long networkId = Long.valueOf(params.get("networkId").toString());
        NetworkCulture networkCulture = networkCultureService.getById(networkId);
        if (networkCulture == null) {
            response.put("code", 404);
            response.put("msg", "数据不存在");
            return ResponseEntity.status(HttpStatus.NOT_FOUND).body(response);
        }
        networkCulture.setNetworkStatus("已提交");
        networkCulture.setNetworkReviewStatus("未审核");
        networkCulture.setNetworkReviewTime(null);
        networkCulture.setNetworkSubmissionTime(LocalDateTime.now());
        networkCultureService.updateById(networkCulture);
        response.put("code", 200);
        response.put("msg", "提交成功");
        return ResponseEntity.ok(response);
    }

    /**
     * 用户撤回网络文化成果
     */
    @PostMapping("/revokeNetworkCul")
    public ResponseEntity<Map<String, Object>> revokeNetworkCul(@RequestBody Map<String, Object> params) {
        Map<String, Object> response = new HashMap<>();
        Long networkId = Long.valueOf(params.get("networkId").toString());
        NetworkCulture networkCulture = networkCultureService.getById(networkId);
        if (networkCulture == null) {
            response.put("code", 404);
            response.put("msg", "数据不存在");
            return ResponseEntity.ok(response);
        }
        // 只有审核通过/审核不通过不能撤回，其余都能撤回
        if ("审核通过".equals(networkCulture.getNetworkReviewStatus()) || "审核不通过".equals(networkCulture.getNetworkReviewStatus())) {
            response.put("code", 400);
            response.put("msg", "已审核，不可撤回");
            return ResponseEntity.ok(response);
        }
        networkCulture.setNetworkStatus("未提交");
        networkCulture.setNetworkSubmissionTime(null);
        networkCulture.setNetworkReviewTime(null);
        networkCultureService.updateById(networkCulture);
        response.put("code", 200);
        response.put("msg", "撤回成功");
        return ResponseEntity.ok(response);
    }

    @GetMapping("/export")
    public void exportNetworkCulture(
            @RequestParam(value = "year", required = false) String year,
            @RequestHeader("Authorization") String authorization,
            HttpServletResponse response) throws Exception {
        // 1. 解析token获取userId
        String token = authorization.replace("Bearer ", "");
        JwtTokenUtil jwtTokenUtil = new JwtTokenUtil();
        String userId = jwtTokenUtil.getUserIdFromToken(token);

        // 2. 查找用户名
        User user = userService.getOne(new QueryWrapper<User>().eq("user_id", userId));
        String username = user != null ? user.getUsername() : "未知用户";

        // 3. 查询 NetworkCulture（可按年份筛选）
        QueryWrapper<NetworkCulture> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("user_id", userId); // 只查当前用户
        if (year != null && !year.isEmpty()) {
            queryWrapper.like("network_year", year.substring(0, 4)); // 替换为你的年份字段
        }

        // 只导出审核通过的数据
//        queryWrapper.eq("network_review_status", "审核通过");

        List<NetworkCulture> list = networkCultureService.list(queryWrapper);

        // 4. 查询所有用户，构建 userId -> username 映射
        List<User> userList = userService.list();
        Map<String, String> userIdNameMap = userList.stream()
                .collect(Collectors.toMap(User::getUserId, User::getUsername, (a, b) -> a));
        for (NetworkCulture nc : list) {
            nc.setUsername(userIdNameMap.getOrDefault(nc.getUserId(), ""));
        }

        // 5. 给每条数据加序号（如有 rowNum 字段）
        for (int i = 0; i < list.size(); i++) {
            list.get(i).setRowNum(i + 1); // 如果有 rowNum 字段
        }

        // 6. 生成文件名
        String now = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date());
        String fileName = "网络文化成果-" + username + "-" + now + ".xlsx";

        // 7. 导出
        ExcelExportUtil.export(response, list, NetworkCulture.class, "网络文化成果", fileName);
    }

}
